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                            <b>2.1.</b>

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                            <b>4.1.</b>

                         表定义
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                            <b>4.3.</b>

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                            <b>4.9.</b>

                         任务参与者
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                         节点拦截器
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                         委托代理
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                            <b>4.12.</b>

                         决策表达式
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                         时限控制
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                         会签任务
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                         Fork/Join
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                            <b>4.18.</b>

                         自定义节点
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                         综合查询
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                        <h3 id="">表定义</h3>
<ul>
<li><code>表关系图</code></li>
<li><code>表详细说明</code></li>
<li><code>字段详细说明</code></li>
</ul>
<h4 id="">表关系图</h4>
<p>Snaker流程引擎核心共7张表，关系图如下所示</p>
<p><img src="/snakersite/img/5.jpg" alt="image"></p>
<h4 id="">表详细说明：</h4>
<table>
  <tr>
    <th>表名称</th>
    <th>描述</th>
  </tr>
  <tr>
    <td><code>wf_process</code></td>
    <td>流程定义表</td>
  </tr>
  <tr>
    <td><code>wf_order</code></td>
    <td>活动实例表</td>
  </tr>
  <tr>
    <td><code>wf_task</code></td>
    <td>活动任务表</td>
  </tr>
    <tr>
    <td><code>wf_task_actor</code></td>
    <td>活动任务参与者表</td>
  </tr>
  <tr>
    <td><code>wf_hist_order</code></td>
    <td>历史实例表</td>
  </tr>
  <tr>
    <td><code>wf_hist_task</code></td>
    <td>历史任务表</td>
  </tr>
  <tr>
    <td><code>wf_hist_task_actor</code></td>
    <td>历史任务参与者表</td>
  </tr>
  <tr>
    <td><code>wf_surrogate</code></td>
    <td>委托代理管理表</td>
  </tr>
  <tr>
    <td><code>wf_cc_order</code></td>
    <td>抄送实例表</td>
  </tr>
</table>

<h4 id="">字段详细说明：</h4>
<p><code>wf_process</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>id</td>
    <td>主键ID</td>
  </tr>
  <tr>
    <td>name</td>
    <td>流程名称</td>
  </tr>
  <tr>
    <td>display_Name</td>
    <td>流程显示名称</td>
  </tr>
    <tr>
    <td>type</td>
    <td>流程类型</td>
  </tr>
  <tr>
    <td>instance_Url</td>
    <td>实例url</td>
  </tr>
  <tr>
    <td>state</td>
    <td>流程是否可用</td>
  </tr>
  <tr>
    <td>content</td>
    <td>流程模型定义</td>
  </tr>
  <tr>
    <td>version</td>
    <td>版本</td>
  </tr>
  <tr>
    <td>create_Time</td>
    <td>创建时间</td>
  </tr>
  <tr>
    <td>creator</td>
    <td>创建人</td>
  </tr>
</table>

<p><code>wf_order</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>id</td>
    <td>主键ID</td>
  </tr>
  <tr>
    <td>parent_Id</td>
    <td>父流程ID</td>
  </tr>
  <tr>
    <td>process_Id</td>
    <td>流程定义ID</td>
  </tr>
  <tr>
    <td>creator</td>
    <td>发起人</td>
  </tr>
  <tr>
    <td>create_Time</td>
    <td>发起时间</td>
  </tr>
  <tr>
    <td>expire_Time</td>
    <td>期望完成时间</td>
  </tr>
  <tr>
    <td>last_Update_Time</td>
    <td>上次更新时间</td>
  </tr>
  <tr>
    <td>last_Updator</td>
    <td>上次更新人</td>
  </tr>
  <tr>
    <td>priority</td>
    <td>优先级</td>
  </tr>
  <tr>
    <td>parent_Node_Name</td>
    <td>父流程依赖的节点名称</td>
  </tr>
  <tr>
    <td>order_No</td>
    <td>流程实例编号</td>
  </tr>
  <tr>
    <td>variable</td>
    <td>附属变量json存储</td>
  </tr>
  <tr>
    <td>version</td>
    <td>版本</td>
  </tr>
</table>

<p><code>wf_hist_order</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>id</td>
    <td>主键ID</td>
  </tr>
  <tr>
    <td>parent_Id</td>
    <td>父流程ID</td>
  </tr>
  <tr>
    <td>process_Id</td>
    <td>流程定义ID</td>
  </tr>
  <tr>
    <td>creator</td>
    <td>发起人</td>
  </tr>
  <tr>
    <td>create_Time</td>
    <td>发起时间</td>
  </tr>
  <tr>
    <td>expire_Time</td>
    <td>期望完成时间</td>
  </tr>
  <tr>
    <td>end_Time</td>
    <td>完成时间</td>
  </tr>
  <tr>
    <td>priority</td>
    <td>优先级</td>
  </tr>
  <tr>
    <td>order_No</td>
    <td>流程实例编号</td>
  </tr>
  <tr>
    <td>variable</td>
    <td>附属变量json存储</td>
  </tr>
  <tr>
    <td>order_State</td>
    <td>状态</td>
  </tr>
</table>

<p><code>wf_task</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>id</td>
    <td>主键ID</td>
  </tr>
  <tr>
    <td>order_Id</td>
    <td>流程实例ID</td>
  </tr>
  <tr>
    <td>task_Name</td>
    <td>任务名称</td>
  </tr>
    <tr>
    <td>display_Name</td>
    <td>任务显示名称</td>
  </tr>
  <tr>
    <td>task_Type</td>
    <td>任务类型</td>
  </tr>
  <tr>
    <td>perform_Type</td>
    <td>参与类型</td>
  </tr>
  <tr>
    <td>operator</td>
    <td>任务处理人</td>
  </tr>
  <tr>
    <td>create_Time</td>
    <td>任务创建时间</td>
  </tr>
  <tr>
    <td>finish_Time</td>
    <td>任务完成时间</td>
  </tr>
  <tr>
    <td>expire_Time</td>
    <td>任务期望完成时间</td>
  </tr>
  <tr>
    <td>action_Url</td>
    <td>任务处理的url</td>
  </tr>
  <tr>
    <td>parent_Task_Id</td>
    <td>父任务ID</td>
  </tr>
  <tr>
    <td>variable</td>
    <td>附属变量json存储</td>
  </tr>
  <tr>
    <td>version</td>
    <td>版本</td>
  </tr>
</table>

<p><code>wf_hist_task</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>id</td>
    <td>主键ID</td>
  </tr>
  <tr>
    <td>order_Id</td>
    <td>流程实例ID</td>
  </tr>
  <tr>
    <td>task_Name</td>
    <td>任务名称</td>
  </tr>
    <tr>
    <td>display_Name</td>
    <td>任务显示名称</td>
  </tr>
  <tr>
    <td>task_Type</td>
    <td>任务类型</td>
  </tr>
  <tr>
    <td>perform_Type</td>
    <td>参与类型</td>
  </tr>
  <tr>
    <td>operator</td>
    <td>任务处理人</td>
  </tr>
  <tr>
    <td>create_Time</td>
    <td>任务创建时间</td>
  </tr>
  <tr>
    <td>finish_Time</td>
    <td>任务完成时间</td>
  </tr>
  <tr>
    <td>expire_Time</td>
    <td>任务期望完成时间</td>
  </tr>
  <tr>
    <td>action_Url</td>
    <td>任务处理的url</td>
  </tr>
  <tr>
    <td>parent_Task_Id</td>
    <td>父任务ID</td>
  </tr>
  <tr>
    <td>variable</td>
    <td>附属变量json存储</td>
  </tr>
  <tr>
    <td>task_State</td>
    <td>任务状态</td>
  </tr>
</table>

<p><code>wf_task_actor</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>task_Id</td>
    <td>任务ID</td>
  </tr>
  <tr>
    <td>actor_Id</td>
    <td>参与者ID</td>
  </tr>
</table>

<p>wf_hist_task_actor:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>task_Id</td>
    <td>任务ID</td>
  </tr>
  <tr>
    <td>actor_Id</td>
    <td>参与者ID</td>
  </tr>
</table>

<p><code>wf_surrogate</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>id</td>
    <td>主键ID</td>
  </tr>
  <tr>
    <td>process_Name</td>
    <td>流程名称</td>
  </tr>
  <tr>
    <td>operator</td>
    <td>授权人</td>
  </tr>
  <tr>
    <td>surrogate</td>
    <td>代理人</td>
  </tr>
  <tr>
    <td>odate</td>
    <td>操作时间</td>
  </tr>
  <tr>
    <td>sdate</td>
    <td>开始时间</td>
  </tr>
  <tr>
    <td>edate</td>
    <td>结束时间</td>
  </tr>
  <tr>
    <td>state</td>
    <td>状态</td>
  </tr>
</table>

<p><code>wf_cc_order</code>:</p>
<table>
  <tr>
    <th>字段名称</th>
    <th>字段描述</th>
  </tr>
  <tr>
    <td>order_Id</td>
    <td>流程实例ID</td>
  </tr>
  <tr>
    <td>actor_Id</td>
    <td>参与者ID</td>
  </tr>
  <tr>
    <td>create_Time</td>
    <td>抄送时间</td>
  </tr>
  <tr>
    <td>finish_Time</td>
    <td>完成时间</td>
  </tr>
  <tr>
    <td>creator</td>
    <td>发起人</td>
  </tr>
  <tr>
    <td>status</td>
    <td>状态</td>
  </tr>
</table>


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